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KERN & Sohn GmbHZiegelei 1 Tel: +49-[0]7433

D-72336 Baling en

E-Mai l : [email protected]

- 9933-0

Fax: +49-[0] 7433-9933-149

Internet: w ww.kern-sohn.com

Operating instructionAnalytical balance

KERN ABS/ABJVersion 1.9

11/2010GB

ABS/ABJ-BA-e-1019

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ABS/ABJ-BA-e-10192

GBKERN ABS/ABJVersion 1.9 11/2010

Operating instruction

Analytical balance

Table of contents:

1 TECHNICAL DATA............................................................................................................................. 4

2 KERN ABS/ABJ CONTROL COMPONENTS.................................................................................... 6

2.1 BRIEF DESCRIPTION OF DISPLAY ..................................................................................................... 72.2 KEYBOARD DESCRIPTION ............................................................................................................... 82.3 IMPORTANT NOTICES...................................................................................................................... 9

2.3.1 Ambient conditions ................................................................................................................. 92.3.2 Operating instructions for the balance.................................................................................. 10

2.4

BALANCE INSTALLATION ............................................................................................................... 102.4.1 Prepare the weighing chamber............................................................................................. 10

2.4.2 Power connection ................................................................................................................. 112.4.3 Connection of electrical components (peripherals) .............................................................. 112.4.4 Levelling the balance with the level...................................................................................... 11

2.5 STARTING THE BALANCE .............................................................................................................. 122.5.1 Warm-up time ....................................................................................................................... 122.5.2 On and off (standby mode) ................................................................................................... 122.5.3 Auto-check............................................................................................................................ 122.5.4 Taring.................................................................................................................................... 132.5.5 Simple weighing (weight measurement)............................................................................... 132.5.6 Unit change-over .................................................................................................................. 13

2.6 DATA INTERFACE......................................................................................................................... 13

2.7

CARE AND MAINTENANCE ............................................................................................................. 142.7.1 Cleaning................................................................................................................................ 14

2.7.2 Safety check ......................................................................................................................... 14

3 DECLARATION OF CONFORMITY................................................................................................. 15

4 OPERATING MENU OF THE BALANCE......................................................................................... 17

4.1 MODIFYING THE SETTINGS............................................................................................................ 174.2 SETTING MODIFICATIONS.............................................................................................................. 174.3 MENU CALL ................................................................................................................................. 184.4 OPERATING MENU SUMMARY ........................................................................................................ 19

4.4.1 Selection of main menu ........................................................................................................ 194.4.2 Menu indicator for FUnC.SEL menu option.......................................................................... 20

4.4.3

Menu indicator forUnit.SEL menu option.............................................................................. 21

4.4.4 Menu indicator for SETTinG menu option ............................................................................ 234.4.5 Menu indicator for intFACE menu option.............................................................................. 244.4.6 Menu indicator for iF :USEr menu option ............................................................................. 25

5 ADJUSTMENT .................................................................................................................................. 26

5.1 ADJUSTMENT WITH EXTERNAL WEIGHT .......................................................................................... 265.2 CHECKING THE BALANCE WITH THE INTERNAL WEIGHT (ABJ ONLY) ................................................. 275.3 CHECKING THE BALANCE WITH THE EXTERNAL WEIGHT .................................................................. 275.4 CHECKING THE BALANCE WITH THE INTERNAL WEIGHT (ABJ ONLY) ................................................. 28

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6 APPLICATION PROGRAMS............................................................................................................ 29

6.1 AUTO-ZERO FUNCTION................................................................................................................. 296.2 FILTER ........................................................................................................................................ 296.3 STANDBY RANGE ......................................................................................................................... 306.4 CHANGING THE UNITS .................................................................................................................. 316.5

PERCENTAGE WEIGHING .............................................................................................................. 32

6.6 COUNTING .................................................................................................................................. 336.7 AUTO-PRINT DISPLAY ................................................................................................................... 346.8 CAPACITY INDICATOR (ANALOG DISPLAY) ...................................................................................... 356.9 SELECTING THE ADJUSTMENT TYPE .............................................................................................. 366.10 ADJUSTING THE ADJUSTMENT WEIGHT .......................................................................................... 376.11 SETTING THE ID NUMBER ............................................................................................................. 386.12 SETTING THE DATE (ABJ ONLY).................................................................................................... 396.13 SETTING THE TIME (ABJ ONLY)..................................................................................................... 40

6.13.1 Entering seconds.............................................................................................................. 406.13.2 Setting hours and minutes................................................................................................ 41

6.14 PRINTING OFF DATE AND TIME (ABJ ONLY) .................................................................................... 42

7

DESCRIPTION OF INTERFACES.................................................................................................... 43

7.1 GENERAL INSTRUCTIONS.............................................................................................................. 437.2 GENERAL DATA ........................................................................................................................... 437.3 EXAMPLE FOR CABLE WIRING: ...................................................................................................... 437.4 FORMATTING INPUT AND OUTPUT DATA ......................................................................................... 447.5 ENTERING COMMANDS ................................................................................................................. 45

8 TROUBLESHOOTING ...................................................................................................................... 46

8.1 ERROR DISPLAY........................................................................................................................... 47

9 IMPORTANT INFORMATION........................................................................................................... 48

Please read the operating instructions carefully before starting to work with the balance.

After unpacking, check that the apparatus has no visible external damage.

Keep all packing materials for future transport. Unplug all connected cables prior toshipping to prevent any unnecessary damage.

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1 Technical data

Model ABS 80-4 ABS 120-4 ABS 220-4

Readout (d) 0.1 mg 0.1 mg 0.1 mg

Weighing range (Max) 83 g 120 g 220 g

Recommended adjusting weight, notincluded (class)

50 g (E2) 100 g (E2) 200 g (E2)

Reproducibility 0.1 mg

Linearity 0.2 mg

Weighing units ct, dwt, g, gn, lb, mg, mo, oz, ozt,tl (Cn), tl (HK), tl (Singap, Malays), tl (Tw)

Response time 3 sec.

Operating temperature + 10 .... + 30 C

Electric power supply 12 VDC

Weighing plate spezial steel 80 mm

Case (W x D x H) mm 225 x 315 x 330

Weight net (aprox.) 7 kg

Model ABJ 80-4M ABJ 120-4M ABJ 220-4M

Readout (d 0.1 mg 0.1 mg 0.1 mg

Vertification value (e) 1 mg 1 mg 1 mg

Weighing range (Max) 83 g 120g 220 g

Min. load (Min) 0.01 g 0.01 g 0.01g


Linearity 0.2 mg

Weighing units g, ct

Response time 3 sec.Operating temperature + 10 .... + 30 C

Electric power supply 12 VDC


Case (W x D x H) mm 225 x 315 x 330


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Model ABJ 320-4

Readout (d) 0.1 mg

Weighing range (Max) 320 g


Linearity 0.2 mg

Weighing units g, ct

Response time 3 sec.

Adjusting weight intern

Operating temperature + 10 .... + 30 C

Electric power supply 220 V 240 V AC 50 Hz


Case (W x D x H) mm 205 x 165 x 240


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2 KERN ABS/ABJ control components

ferrite core

12

1110

Pos. Description Pos. Description

1 Balance housing 7 Glass doors2 Weighing plate 8 Weighing chamber3 Weighing plate holder 9 Rear wall of balance4 Protective ring 10 Connection for voltage adapter5 Level 11 RS232 C data interface6 Support foot 12 AC power supply

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2.1 Brief descr ipt ion of disp lay

Analog display Weight unit display

Display Description

Standby indicator

Lights if the weight measurement is stable.

Weight indicatorLights during calibrationAlso lights on the ABJ model when calibration needs to be carried out.

Menu indicatorWhen the menu is called up, the display is activated.

Communication displayLights when an RS-232C or DATA I/O connection has been established

AP Auto-print displayLights when Auto-Print is ON

Standby indicatorLights when the balance is in standby mode

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2.2 Keyb oard desc r ipt ion

During weighing During menu selectionKey

Pressedbriefly

Pressedfor 3 sec

Pressedbriefly

Pressedfor 3 sec

ON/OFF/ESCToggles balanceto standbyor cancelsfunctione.g., (E CAL)

Returns toprevious menu

Returns toweighing mode

CALMENU

In part andpercentagemode: selectionmenu for partand %

Selects functionvalues withinfunction

TARE

Tares or

zerosof weightdisplay

Selects function

orscrolls onemenu optiontoward right inmenu

UNITToggles ofweight units(must be set upin operationmenu ofbalance)

Increasesnumeric valuefor selectedfigure

PRINTOutputs weightat externaldevice (printer)or PC

Selects figure tobe modified

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2.3 Impo rtant no tices

2.3.1 Ambient conditions

The items of equipment are constructed to provide reliableweighing results under normal ambient conditions in afunctioning laboratory. A suitable location for the balance willmake it easier to obtain fast, reliable results with the balance.

The following steps must be taken when siting the balance:

Place the balance on a flat, stable surface;

Prevent extreme heat due to placement near a heat source

or direct sunlight;

Protect the balance from direct air currents due to opendoors or windows;

Prevent strong vibrations during weighing;

Protect the balance from harsh chemical vapours;

Do not use the balance in areas where there is any risk ofexplosion.

Do not expose the apparatus to high humidity for extendedperiods of time. Dew (condensation due to moisture in theapparatus) may result when transferring the apparatus froma cold area to a noticeably warmer environment. In thiscase, acclimatise the apparatus to the ambient temperaturefor about 2 hours.

Avoid magnetic and electric fields around the balance.

Check the balance with the verification weights at least oncea day.

The warranty is voided if the balance is opened.

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2.3.2 Operating instructions for the balance

Remove the product from the weighing plate afterweighing it.

Do not force the balance to open.

Do not allow the balance to come into contact with wateror metal shavings.

If the balance is not used for an extended period of time(7 days), unplug the power supply.

Do not weigh magnetic objects.

Do not exert any pressure on the weighing plate.

2.4 Balance inst al lat ion

Remove the adhesive sheeting, adhesive strips and foammaterial.

2.4.1 Prepare the weighing chamber.

Place the following parts on the balance in sequentialorder:

- Protective ring (4)

- Plate holder (3)

- Plate (2)

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2.4.2 Power connection

The balance is powered by an external power supply. Thevoltage printed on the device must match the local mainsvoltage.

Note!Use only original power supplies. The use of other brands,even if authorised by official agents, must be approved by aspecialist.

Plug the balance into the power outlet.

Turn on the power supply at the mains voltage.Make sure there are no objects on the weighing plate.

The balance will work through a check procedure. Inaddition, ABJ series balances carry out calibration using afitted calibration weight.

The oFF message will appear on the display.

The balance will then be in standby mode. Press the"ON/OFF" key to turn on the balance.

2.4.3 Connection of electrical components (peripherals)

Unplug the balance from the power outlet before connectingor removing additional devices (printer, PC) from the datainterface.

2.4.4 Levelling the balance with the level

Use the support screws to level the balance until it ishorizontal and the air bubble is inside the red circle.

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2.5 Start ing the balance

2.5.1 Warm-up time

In order for the balance to provide accurate results, thedevice must be warmed up for at least 4 hours after beingplugged for the first time or after an extended poweroutage. After this time, the balance will have reached thenecessary operating temperature.

2.5.2 On and off (standby mode)

To turn the display on and off, use the ON/OFF/ESC key.

2.5.3 Auto-check

An automatic function test of the balance electronics iscarried out after switching on from standby mode. At theend of the test, the display will indicate zero. The balance isnow ready to be used.

The following symbols will appear in the display window ofthe balance for information purposes:

oFF The balance is in OFF mode.

The balance is not plugged into the power mains.(New connection, power outage above 1 second)

Standby The balance is in standby mode.

The display was turned off by pressing the ON/OFF/ESCkey and is now available. The balance is ready to run whenturned on and does not require a warm-up period. Inaddition, the time is displayed on the ABJ model in standbymode.

CHE 5 The CHE display appears after the power is turned on.

The balance will work through a check procedure (5, 4, 3, 2,1) and then switch to OFF mode.

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2.5.4 Taring

Accurate weighing is only possible if the display indicated0.0000 g before the objects were weighed. Press the

TARE/ key to zero the weight display. Taring can bedone over the entire weight range of the balance.

2.5.5 Simple weighing (weight measurement)

Place the item to be weighed on the plate. Read the weightwhen the standby symbol appears on the display.

2.5.6 Unit change-over

The units set in the balance operation menu can be called

up by pressing the UNIT/ key.

2.6 Data int erface

The interface connection is located at the rear of thebalance.

Note!

Unplug the balance from the power outlet before connectingor removing additional devices (printer, PC) from the datainterface.

To output data, press the PRINT/ key.

Refer to the "Description of interface" chapter for moreinformation on the data interface.

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2.7 Care and maintenance

2.7.1 Cleaning

Always unplug the device from the power outlet beforecleaning the apparatus.

Do not use harsh cleaning products (solvents or similar)!Use a damp cloth, moistened with a mild soapy solution.Make sure no moisture enters the apparatus, wiping with asoft, dry towel.Remove any test residue/dust with care by using a finepaintbrush or hand vacuum cleaner.

2.7.2 Safety check

If risk-free service is no longer guaranteed, you must placethe apparatus out of service by unplugging it from the poweroutlet and protecting from further use.

Risk-free service of the power supply is no longerguaranteed in the following cases.- If the power supply is obviously damaged- If the power supply no longer works

- After extended storage under adverse conditions.

In such cases, you must contact the supplier.Any repairs must be performed by specialised technicianswith access to the necessary repair documentation andinstructions.

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3 Declaration of Conformity

KERN & Sohn GmbH

D-72322 Balingen-Frommern

Postfach 4052

E-Mail: [email protected]

Tel: 0049-[0]7433- 9933-0

Fax: 0049-[0]7433-9933-149

Internet: www.kern-sohn.de

Konformittserklrung

EC-Konformittserklrung EC-Declaration of -ConformityEC-Dclaration de conformit EC-Declaracin de ConformidadEC-Dichiarazione di conformit EC-ConformiteitverklaringEC- Declarao de conformidade EC- Prohlen o shodeEC-Deklaracja zgodnoci EC-

D Konformitts-erklrung

Wir erklren hiermit, dass das Produkt, auf das sich diese Erklrung bezieht,mit den nachstehenden Normen bereinstimmt.

GB Declaration ofconformity

We hereby declare that the product to which this declaration refers conforms

with the following standards.

CZ Prohlen oshode

Tmto prohlaujeme, e vrobek, kterho se toto prohlen tk, je v souladus ne uvedenmi normami.

E Declaracin deconformidad

Manifestamos en la presente que el producto al que se refiere estadeclaracin est de acuerdo con las normas siguientes

F Dclaration deconformit

Nous dclarons avec cela responsabilit que le produit, auquel se rapporte laprsente dclaration, est conforme aux normes cites ci-aprs.

I Dichiarazione diconformit

Dichiariamo con ci che il prodotto al quale la presente dichiarazione siriferisce conforme alle norme di seguito citate.

NL Conformiteit-verklaring

Wij verklaren hiermede dat het product, waarop deze verklaring betrekkingheeft, met de hierna vermelde normen overeenstemt.

P Declarao de

conformidade

Declaramos por meio da presente que o produto no qual se refere esta

declarao, corresponde s normas seguintes.PL Deklaracjazgodnoci

Niniejszym owiadczamy, e produkt, ktrego niniejsze owiadczeniedotyczy, jest zgodny z poniszymi normami.

RUS

, , ,.

Electronic Balance: KERN ABS/ABJ

Mark applied EU Directive Standards

2004/108/EC EN 55022: 2006 (Class B)EN 55024: 1998/A1: 2001/A2: 2003

EN 61000-3-2: 2006EN 61000-3-3: 1995/A1: 2001/A2: 2005

2006/95/EC EN 60950: 2001

Date: 25.05.2009 Signature: Gottl. KERN & Sohn GmbH

Management

Gottl. KERN & Sohn GmbH, Ziegelei 1, D-72336 Balingen, Tel. +49-[0]7433/9933-0,Fax +49-[0]7433/9933-149

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Calibration information (Kern ABJ only)

A security mark must be attached in compliance with the following drawing.

Type plate

Security mark

Important type plate information:

There is a counter on the type plate that counts upwards if the internal adjustmentweight is re-adjusted using service mode. This counter is indicated as follows:

Log. No. A01. The display indicates the number A01 after the balance has beenconnected to the power supply. If the internal adjustment weight has been adjustedusing the service mode, this counter would count upwards and A02 would appear afterthe balance is connected to the power supply. This would invalidate any calibration in

calibrated condition.The counter on the type plate and the number indicated on the display must coincideafter the balance is connected to the power supply!

If these numbers do not coincide, calibration is not valid.

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4 Operating menu of the balance

The operating menu of the balance can be used to set up the balance to meet yourspecific needs. The operating menu is normally set up during manufacture and does notrequire any modifications. Nevertheless, the balance can be customised for specialapplications through the operating menu.

4.1 Modify ing the sett ing s

To change certain settings, select the respective functions.

A function can be modified by the following three steps:

- Menu call- Function setting- Confirm and store

To adjust a function, the ON/OFF/ESC, CAL/MENU and

TARE/ - key are equipped with special functions.

4.2 Sett ing modif ic at ions

CAL/MENU = Menu selection and menu option processing

from top down ().

TARE/ = Select function.Once the display function has been selected with the

CAL/MENU key, perform a call by using the TARE/ -keyfor the modification.

CAL/MENU = Select one of the possible function settings.Processing of menu options from top down.

TARE/ = Confirmation and storage of setting withTARE/ - key of current display.

The standby indicator will indicate the setting for thecurrent function.

ON/OFF/ESC = Exit from functionPress the ON/OFF/ESCkey function brieflyto return to previous menu.

Press the ON/OFF/ESCkey function for longer

to return to weighing mode.

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4.3 Menu call

Perform the modification test once. Change the Auto-Zerofunction to OFF and then to ON.

- Turn the balance on by using the ON/OFF/ESC key.

- Press the CAL/MENU key until FUnC.SEL appears.

- Press the TARE/ - keyonly once until CAL appears.

- Press the CAL/MENU key once until trC :on appears.

- Press the TARE/ - keyonce.The Auto-Zero function is selected.The standby indicatorindicates the setting of thecurrent display.

- Press the CAL/MENU key.

This means:trC :oF Auto-Zero is off.trC :on Auto-Zero is onSelect trC :oF

- Press the TARE/ key once.A colon appears when the change is stored.

- Press the ON/OFF/ESC key.To exit the menu, press the ON/OFF/ESC key at least2 sec.

Note:If you wish to store several settings simultaneously on theoperating menu, you do not need to exit the menu eachtime. Several settings can be set up before exiting themenu.

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4.4 Operat ing menu summary

4.4.1 Selection of main menu

Balance display 0.0000

eCAL Balance settings. For more options, see the chapter on Selecting the adjustmenttype.

St.b1t Display of current settings St Standard modeSA Sample modeHi High Stability Modusb1 Standby range 0,1 mgb2 0,5 mgb10 1,0 mgtrC-on AutoZero ONtrC-of1 Auto Zero OFFt (displayed)t (not displayed)

Stnd Standard weighing mode

SAmPLE Sample mode

Hi-Stb High stability mode

FUnC.SEL Function menu. See Chapter 4.4.2, Menu indicator for FUnc.SEL menu option

SEttinG Function menu. See Chapter 4.4.4 Menu indicator for SettinG

intFACE Function menu. See Chapter 4.4.5 Menu indicator for intFACE

Balance display 0.0000

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4.4.2 Menu indicator for FUnC.SEL menu option

FUnC.SEL CAL E CAL Adjustment with external weight

E tESt Adjustment check

I CAL Adjustment with internal weight (ABS only)

I tESt Adjustment check internal weight (ABJ only)

trC:on trC-on Auto-Zero ON

trC-oF Auto-Zero OFF

bAnd:1 b-1 Standby range, 1 = extremely quiet environment(0.1 mg)

b-5 Standby range, 5 = quiet environment,(0.5 mg)

b-10 Standby range, 10 = non-quiet environment,(1.0 mg)

Unit.SEL Access to three menu levels (Unit Selection Mode),See Chapter 4.4.3, Unit.SEL" menu option

AtPrt:on Ad-on Auto PRINT ON

AP-oF Auto PRINTOFF

AdiSP:on Ad-on ON capacity indicator

Ad-oF OFF capacity indicator

Addon:on Adon-on Not documented

Adon-oF Not ducumented

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4.4.3 Menu indicator forUnit.SEL menu option

Unit.SEL U- g grams(0.0001 g)

U- mg Milligrams

(0.1 mg)

U- % Percentage

U- PCS Parts

U- ct Carats(0.001 ct)

U- mom Momme(0.00005 mom)

U- ,d Not documented

U- d Not documented

U- Lb Pounds

U- Oz Ounce calculation

U- Ozt Troy ounce calculation

U- HK Hong Kong

U- SPorE Singapore

U- tiwAn Taiwan

U- mAL Malaysia

U- CHinA Chinese

U- dwt Pennyweight

U- GN Grain

U- m Mesgal

U- b Boats

U- t Tare

U- o Parts per pounds

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Calculation factor 1g:

= 0.001kg

= 1000mg= 5ct

= 0.266667 mom= 0.00220462 Lb= 0.0352740 Oz= 0.0321507 Ozt= 0.0267173 TL-HK= 0.0264555 TL-S'pore= 0.0266667 TL-Taiwan= 0.0264600 TL-Malaysia= 0.0266071 TL-China= 0.643015 dwt= 15.4324 GN

= 0.216999 m= 0.0657895 b= 0.0857339 t= 1.128766770

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t-16:50 SEC Adj Setting the time (ABJ only)

tm.Adj

Prtdt:on Prdt-on Printing (ABJ only)

Prdt-of

4.4.5 Menu indicator for intFACE menu option

intFACE iF :F1 Format 1 *

iF :F2 Format 2 *

iF :F3 Format 3 *

iF :F4 Format 4 *

iF :win Format WIN *

FUnC.SEL Function menu. See Chapter 4.4.6 Menu indicator for "USEr"menu option (always use this setting).

* Not documented

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4.4.6 Menu indicator for iF :USEr menu option

iF :USEr io.b:**** b300 Transmission speed 300 bps

b- 600 Transmission speed 600 bps





b-19.2 Transmission speed 19,2 k bps

b-38.4 Transmission speed 38,4 k bps

io.d:**** d-CR Delimiter C/R

d-LF Delimiter L/F

d-CrLF Delimiter C/R+L/F

d-Cn Delimiter comma

d-win Delimiter win

io.P:**** P-no No parity, 8 bits

P-odd Odd parity, 7 bits

P-EvEn Even parity, 7 bits

io.S:**** S-S1 Stop bit 1

S-S2 Stop bit 2

io.F:**** F-UF1 Manufacturer's format 1

F-UF2 Manufacturer's format 2



io.H:**** H-oFF Handshake AA

H-SoFt Software Handshake

H-HArd Hardware Handshake

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5.2 Checking the balance with the internal weight (AB J only)

Sequence:

(1) Remove the items being weighed from the balance plate and press the TARE/

- key; the display will indicate zero.

(2) Press the CAL/MENU key until I CAL appears.Note: Balances with automatic internal adjustment are set at I cal as astandard, i.e. set for adjustment using an internal weight. This setting canbe checked using the Setting menu, see chapter 4.4.4, and altered ifnecessary.

(3) Now press the TARE/ -key. The display will indicate CAL 2.

(4) The display will subsequently indicate CAL 1 followed by CAL 0.

(5) The display will indicate CAL END before reverting to weighing mode.Adjustment has been completed successfully.

5.3 Checkin g the balance with the external weight

Sequence:

(1) Remove the items being weighed from the balance plate and press the

TARE/ -key; the display will indicate zero.

(2) Press the CAL/MENU key until FUnC.SEL appears.

(3) Then press the TARE/ -key. The display will indicate CAL, then press

TARE/ -key. again ( E CAL appears ) .

(4) Press the CAL/MENU key until E tESt appears, then press the TARE/ -key;the check will start.

(5) The zero will be flashing. Following this the weight value will flash for adjustment.

(6) Place the necessary adjustment weight on the balance plate.

(7) The zero weight will now be flashing on the balance.

(8) Remove the weight from the balance plate.

(9) If no error message is issued, the balance will display zero again, therebyindicating that the check has been successful.

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5.4 Checking the balance with the internal weight (AB J only)


TARE/ - key; the display will indicate zero.

(2) Press the CAL/MENU key until FUnC.SEL appears. Then press the TARE/

key.

(3) When CAL appears, press the TARE/ -key.

(4) Press the CAL/MENU key until itESt appears, then press the TARE/ -key ; thecheck will start.

(5) E tESt 2 appears. The zero point is being checked.

(6) E tESt 1 appears. The internal weight is being checked.

(7) E tESt 0 appears. The zero point is being checked again.

(8) The check is finished. The difference to the previous adjustment will bedisplayed.

(9) If no error message is issued, the balance displays tEStEND for some secondsand then it will display zero again, thereby indicating that the check has beensuccessful.

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6 Application Programs

6.1 Au to-Zero fun ct ion

The Auto-Zero function can be used to automatically tare small deviations from a zero

display.

Auto-Zero ON Deviations from zero are tared automatically.

Auto-Zero OFF Deviations from zero are not tared automatically.

Menu call:

FUnC.SEL CAL

trC:on trC-on Auto-Zero ON

trC-oF Auto-Zero OFF

6.2 Filter

Filter settings can be used to optimise the weight display for special applications.

Menu call:

0.0000

eCAL

St.b1t Display of current adjustments

Stnd Standard weighing mode

SAmPLE Sample mode

Hi Stb High stability mode

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6.3 Standby range

The standby signal lights when the weighing result is stable within the indicated standbyrange.

b = 1 Extremely quiet environment

b = 5 Quiet environment

b = 10 Non-quiet environment

Menu call:

FUnC.SEL CAL

trC:on

bAnd:1 b-1 Standby range, 1 = extremely quiet environment,(0.1 mg)

b-5 Standby range, 5 = quiet environment,(0.5 mg)

b-10 Standby range, 10 = non-quiet environment,(1.0 mg)

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6.4 Changin g the un its

The basic weight unit is the unit used by the balance for weighing after being turned on.

Menu call

FUnC.SEL CAL

trC:on

band:1

Unit.SEL U- g grams(0.0001 g)

U- mg Milligrams(0.1 mg)

U- % Percentage

U- PCS Parts

....... for more units, see the menu

Use the CAL/MENU key to select the desired weight unit. Press the TARE/ - keytocheck the new set-up. The standby indicator will appear.The standby indicator will appear in the case of all selected units.

The actual change in standby units in the weighing mode occurs when the

UNIT/ key is pressed. The selected units appear here.

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6.5 Percentage weigh ing

Display symbol:%

Percentage weighing allows the weight to be expressed as a percentage of the

reference weight. The indicated weight value is accepted as the preset percentage(standard setting: 100%).

Condition: Perform the change of units in %,see Chapter 6.4 Changing the units.

Sequence:



(2) Place the adjustment weight = 100% on the balance plate.

(3) Use the UNIT/ key toselect the change of units in %.

(4) Press and hold the CAL/MENU key (2 sec) untilSEt 100% appears on the display.

(5) The display will indicated 100% when the TARE/ - keyis pressed.

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6.6 Counting

Display symbol:PCS

The counting program allows the weight calculation to be converted into number of

parts with respect to a reference weight. The displayed weight will be taken for a presetnumber of parts (setting for 10, 20, 50 or 100 parts).

Counting accuracy is higher when there are more parts. The minimum reference weightis 0.01 g.

Condition: Change the units to PCS,see Chapter 6.4 Changing the units

Sequence:



(2) Place the parts to be weighed on the plate

(3) Use the UNIT/ key to select the change of units in PCS

(4) Press and hold the CAL/MENU key (2 sec) until SEt 10 appears on the display.

(5) Use the CAL/MENU key to select the respective number of parts, for the partslocated on the balance plate (SEt 10 PCS, SEt 20PCS, SEt 50 PCS,SEt 100 PCS).

(6) Press the TARE/ -key to display the number of parts that has selected. Youmay now gradually add more parts to the balance plate; the display is expressedin number of parts.

Note:

If the Err 20 error message is displayed, the reference weight is too small for thenumber of parts.

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6.7 Au to-pr int disp lay

The Auto Print function sends the value on the display after standby to a DATA I/O andRS232C interface. For subsequent printing, the balance must first be unloaded.

Auto Print ON Printing output to interface

Auto Print OFF No printing output to interface

Menu call:

FUnC.SEL CAL

trC:on

bAnd:1

Unit.SEL

AtPrt:on Ad-on Auto PRINT ON

AP-oF Auto PRINT OFF

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6.8 Capacity indic ator (analog disp lay)

The capacity is displayed on the left of the display panel. The weight value is displayedin both digital and analog form.

If the weight value varies, the analog value istransmitted to the capacity indicator.

Weighing fielddisplay

Zero line

Analog display ON with additional analog display

Analog display OFF without analog display

Menu call:

FUnC.SEL CAL

trC:on

bAnd:1

Unit.SEL

AtPrt:on

AdiSP:on Ad-on Analog display ON

Ad-oF Analog display OFF

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6.10 Adjus t ing the adjustment weight

In the case of KERN ABS/ABJ, the external adjustment weight can be displayedvariably. Capture the value of the adjustment weight here.The selected adjustment weight must be used during the adjustment.

Menu call:

SEttinG CAL dEF

CAL SEt

Sequence:

(1) Press and hold the CAL/MENU key until the function SettinG appears on thedisplay. Press the TARE/ - key

(2) Press and hold the CAL/MENU key until CAL SEt appears on the display.

Press the TARE/ - key

(3) Use the PRINT/ key to select the figure you wish to change (from left to right).

(4) Use the UNIT/ key to increase the numeric value of the selected figure

(5) If the weight has changed, press the TARE/ - key to check the value weight.

Use the ON/OFF/ESC key to return to weighing mode.

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6.11 Sett ing the ID number

Remarks: The balance ID number will be printed on the printout.

Menaufruf:

SEttinG CAL dEF

CAL Set

id: 1234

Sequence:

(1) Press and hold the CAL/MENU key until the function SettinG appears on the

display. Press the TARE/ - key

(2) Press and hold the CAL/MENU key until ID e. g. id:1234 appears on the display.

Press the TARE/ - key


(4) Use the UNIT/ key to increase the numeric value of the selected figure

(5) If the weight has changed, press the TARE/ - key to check the value weight.Use the ON/OFF/ESC key to return to weighing mode.

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6.12 Sett ing the date (AB J only)

Menu call:

SEttinG CAL dEF

d-MM-DD

YY-MM-DD

Sequence:

(1) Press and hold the CAL/MENU key until the function setting appears. Press the

TARE/ - key

(2) Press and hold the CAL/MENU key until d-MM-DD appears (MM:month, DD:day)

(3) Press the TARE/ - key in order to set the current date /YY: year, MM: month,DD: day).


(5) Use the UNIT/ key to increase the numeric value of the selected figure.

(6) Use the ON/OFF/ESC key to return to weighing mode. The setting is stored.

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6.13 Sett ing the time (AB J only)

6.13.1 Entering seconds

Menu call:

SEttinG CAL dEF

t-HH-MM

SEC AdJ

HH-MM-SS

Sequence:


TARE/ - key.

(2) Press and hold the CAL/MENU key until t-HH-MM appears (HH:hour, MM:min.)

(3) Press the TARE/ - key, SEC AdJ will appear.

(4) Press the TARE/ - key to set the desired time. If the TARE/ - key is pressedbetween 00 and 29 this will be rounded down to zero sec; if pressed between 30and 59 this will be rounded up to the next full minute.


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6.13.2 Setting hours and minutes

Menu call:

SEttinG CAL dEF

t-HH-MM

SEC AdJ

tm.AdJ

HH-MM-SS

Sequence:


TARE/ - key.

(2) Press and hold the CAL/MENU key until t-HH-MM appears (HH:hour, MM:min.)

(3) Press the TARE/ - key, SEC AdJ will appear.

(4) Press the CAL/MENU key, tm.AdJ will appear.

(5) Press the TARE/ - key to set the current time (HH: hour, MM: min., SS: sec.).

(6) Use the PRINT/ key to select the figure you wish to change (from left to right).The figure to be changed will flash.

(7) Use the UNIT/ key to increase the numeric value of the selected figure.


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6.14 Print ing off date and time (AB J only)

Print off is only carried out when adjusting.

Menu call:

SEttinG CAL dEF

Prtdt :**

Prtdt:on Prtdt-on Print off

Prtdt-oF No print off

Sequence:


TARE/ - key .

(2) Press and hold the CAL/MENU key until Prtdt:** appears (on:print off, oF: noprint off).

(3) Press the TARE/ - key Prtdt-on will appear.

(4) Press the CAL/MENU key to select the desired setting (-on oroF). Thestandstill indicator indicates which setting is currently in function.

(5) Press the TARE/ - keyto save the setting that is currently being displayed.


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7 Description of interfaces

7.1 General inst ruc t ions

This description is addressed to users who wish to connectthe KERN ABS/ABJ unit to a computer or any anotherperipheral through the RS232 C interface which is includedin the balance.

The computer can be used to change, start and monitor theweighing functions.

7.2 General data

Type of interface Serial

Interface operation Full-duplex asynchronous

Level RS 232 C specification

Transmission speed 300, 600, 1200, 2400, 4800, 9600, 19200,38400 Baud

Character coding ASCII (7-bit or 8-bit)

Character format Start bit 1

7.3 Examp le for cable wir in g:

25-pin balance 9-pin PC

Pin 2 Pin 2

Pin 3 Pin 3Pin 6 Pin 4Pin 7 Pin 5

Pin 20 Pin 6Pin 5 Pin 7Pin 4 Pin 8Pin 22 Pin 9

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7.5 Enter ing commands

If the balance is connected to a personal computer or printer, the following commandsare available.

See Chapter 7.4, "Formatting input and output data"

If errors not appearing here are transmitted to the balance, proper balance operation isnot guaranteed. In this case, unplug the balance from the power outlet for 10 seconds.

Command code Function Content

D01 Continuous printing Weighing data are issuedcontinuously (every 230 ms).

D05 Single transmission of data Identical to PRINT key

D06 Automatic output at printer See the respective settings in AUTOPRINT.

D07 Single output of data withstability information

The data are issued withS: If stability indicator is displayedU: If adjusted without stability

D08 Single output of data withstability status

Data output after transmission ofcommand

D09 Output stop AUTO PRINT finishes and theoutput

Q ON/OFF Standby and weighing status

T Tare See the respective settings in TAREkey.

TS Wait for stable tare Tare is performed after standby.

CAL Setting

R Restart Reset

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8 TroubleshootingIf the cause is marked with an [S], contact your nearest KERN technical serviceagent.

when Breakdown Possible causes

beforeweighing

No values appear onthe display.

The AC power supply is not connected. The balance is not plugged in.

The weight displaychanges constantly.

The standbyindicator is notlighted.

The measurementvalue variesconsiderably.

The weight result isobviously wrong.

The weight displayindicates CAL d.

There is excessive vibration or aircurrent.

-> Change the location.-> Change the standby indicator.

The product being weighed vaporises.-> Cover the item being weighed.

The weighing product is loaded.-> Place a sample in a metal container and

weigh it.-> If you must weigh, for example, a plastic

disc or similar item, the plate you areusing is larger than the weighing plate.

The temperature of the product beingweighed is higher or lower than the onein the weighing chamber.

-> Bring both to the same temperature.-> Increase the standby of the balance.

Influence of electrical noise (mainsvoltage) or strong electromagneticradiation.

-> Remove the balance from the noisesource.

Air current inside and outside theweighing chamber.

-> If the balance is not being used, openthe door of the weighing chamber about1-2 mm.

Mechanical interference

-> [S] The balance variesthe automaticsetting.

Extreme variations in temperature insidethe room

-> Change the location ERROx error is

displayed. Hardware is missing.-> [S]

Err20 is displayed. The numeric value entered is wrong. An attempt was made to delete a

registered unit. This is not allowed.-> Shown if only one unit or one inverted

weighing unit is registered.

duringweighing

Err24 is displayed. Batteries too weak.

-> Replace the batteries.

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when Breakdown Possible causes UtoU10 appears onthe display.

Command code allowed for modification

-> Unplug the power cord, then plug itback in after 10 sec. If the balancedisplays this for more than 24 hours,accurate measurement will not be

possible.

Constant soft noise. Such noise is normally caused by blowswhen loading the balance. This noise iscompletely normal.

Duringweighing

No data can be sentor received.

Erroneous report parameter

CAL E2 is

displayed.

There was a weight on the balance

plate during adjustment.

-> Unload the balance and readjust.

CAL E3 is displayed The reference weight used duringadjustment is wrong.

Duringadjust-ment

CAL E4 is displayed The balance is defective.

-> [S]

8.1 Error dis play

If the cause is marked with an [S], contact your nearest KERN technical serviceagent.

Errormessage

Possible causes Solution

CAL E2 The zero points deviates toomuch from the adjustment.

Empty the balance plate.

CAL E3 Large deviation with respect toPCAL.

Use a proper weight.

CAL E4 The sensitivity deviates toomuch from the adjustment.

Use a proper weight.

CHE x The balance stops on thisdisplay.

->[S]

Err 0x Abnormal internal balancechamber.

-> [S]

Err 20 A wrong value has beenentered.

Repetition of numeric value.

Err21 The necessary conditions andnumeric value have not beenmet.

Check the analog mode g.

Err24 The balance does not store thesettings properly, voltage

fluctuations.

Check the power supply.

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9 Important information

These electronic scales are a precision instrument. Electromagnetic fields can causemajor display discrepancies. The scales must then be repositioned away fromelectromagnetic fields. All sources of environmental interference, such as drafts and

vibrations, should be avoided. Sudden changes of temperature should be avoided. Thescales must be reset to match changes in temperature.

The scales are not hermetically sealed, therefore avoid high humidity, steam and dust.Do not bring liquids into direct contact with the scales, as these can penetrate into themeasuring mechanism. Cleaning material should only be dry or barely damp. Do notuse solvents as these can damage paintwork or other plastic parts. Remove damageditems immediately from the scales.

The measuring mechanism will be stabilised by allowing the scales to warm up for a fewminutes after switching them on. Place items to be weighed carefully on the scales. Donot place objects on the weighing platform for any period of time, apart from normaluse. Sudden shocks or overloading the scales beyond the maximum permitted weightshould absolutely be avoided, balance could be damaged.

In case of problems operating the weighing program, switch the scales briefly off andon. The weighing set-up must then be restarted right from the beginning.

Never operate the scales in areas where there is a danger of explosion, the models inthis series are not protected against explosion.

Check the scales regularly against, known, external test weights.

Opening the scales or failing to use them in accordance with the writteninstructions will invalidate the warranty.

Please keep all packaging material for possible return of the scales. Scales must onlybe returned in their original packaging.

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